Injectors: let's take a vote!
Posting Guru
Joined: Dec 2009
Posts: 2,265
Likes: 2
From: Garden City, KS
I talked to John Wood when I was having tranny problems and then we got to talking about my plans for the truck and that's where I originally got the notion of using AC's. Without nozzles, he said close to 400HP can be had... I think he said he actually got 410HP with a set of AC's once. It's all in the tuning... but both John, Clay, and Joey are all in agreement with me on an AC 100% combo so I'm pretty sure that's what I'd go with. I really don't think that 25-50HP would be that noticeable of a difference... that's just me, though. If I really wanted more HP, I'd build a motor and put some BD's in it... with my Dad's '08 at 350HP, it's and awesome truck to tow with so I know that stage-2's would get the job done.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
Rule of thumb is injector cc x 2.3 to get approximate rwhp. 160 x 2.3 is 368 hp. 200 x 2.3 is 460 hp, 238 x 2.3 is 547. For reference, stock AD 145cc injectors x 2.3 is 333 hp (with enough HP oil). Formula is about right, and from what I've seen, the dyno tends to confirm this. I don't see how you could get 400+ on 160cc of fuel.... 
Nothing to be scared of either. Stock trucks blow engines too....
Nothing to be scared of either. Stock trucks blow engines too....
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
David, here's that vid I was telling you about when I ran the dyno...
Dyno_031310 :: Alvarado Dyno 031310 video by Izzy351 - Photobucket
Dyno_031310 :: Alvarado Dyno 031310 video by Izzy351 - Photobucket
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
I couldn't agree more Dan. That sequence of smileys had me laughing out loud.
Thanks for the laughs Joe.
Thanks for the laughs Joe.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
LOL... I didn't think about it at the time, but I guess it is pretty funny. I was just speaking the truth -- some because I never know if I'm about to blow something up when I hammer it or because of the cost of the fuel..... 
Laughing Gas
Joined: Jan 2009
Posts: 911
Likes: 74
From: Montana
I started with stage I's and with a modded stock turbo it was a good combo but with the 38r i wanted more fuel so i went with Stage II's and like the difference so far but havent drove it much.
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Postmaster
Joined: Jan 2009
Posts: 2,544
Likes: 4
From: Suffolk, VA
You underestimated the funny value of that. It made me derp!
Cargo Master
Joined: Feb 2010
Posts: 2,298
Likes: 94
From: Delta, CO
Any good tuner should be able to do that with the 238/100
